.product-wrap {
    padding: 120px 0 135px;
    background-color: RGBA(245, 247, 251, 1);
    background-image: url(../img/product-bg.jpg);
    background-size: 100% auto;
    background-repeat: no-repeat
}

.product-content .content1400 {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.product-sidebar {
    position: sticky;
    top: 131px;
    width: 345px;
    background: #FFFFFF;
    border-radius: 15px;
    padding: 40px 37px;
}

.product-sidebar .sidebar-link-group {
    display: flex;
    font-weight: 400;
    font-size: 15px;
    color: #444444;
    line-height: 22px;
    padding: 4px 0;
    transition: all .3s;
}

.product-sidebar .sidebar-item.expanded .sidebar-link-group {
    color: rgba(0, 36, 76, 1);
}

.product-sidebar .sidebar-link-group span {
    flex: 1;
    margin-right: 20px;
}

.product-sidebar .sidebar-link-group .iconfont {
    color: rgba(192, 196, 204, 1);
    transform: rotate(-90deg);
    transition: all .3s;
}

.product-sidebar .sidebar-submenu {
    display: none;
}

.product-sidebar .sidebar-item.expanded .sidebar-link-group .iconfont {
    transform: rotate(0deg);
    color: rgba(0, 36, 76, 1);
}

.product-sidebar .sidebar-submenu li>a {
    position: relative;
    font-family: Montserrat;
    font-weight: 400;
    font-size: 12px;
    color: rgba(96, 107, 111, 1);
    line-height: 28px;
    display: inline-block;
}

.product-sidebar .sidebar-submenu li>a::before {
    position: absolute;
    content: "";
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background-color: #F46C05;
    transition: all .3s;
}

.product-sidebar .sidebar-submenu li.active>a::before {
    width: 100%;
}

.product-sidebar .sidebar-submenu li:not(:last-child) {
    margin-bottom: 4px;
}

.product-sidebar .sidebar-submenu li:hover>a,
.product-sidebar .sidebar-submenu li.active>a {
    color: #F46C05;
}

.product-listing-wrapper {
    flex: 1;
    margin-left: 73px;
}

.product-listing-wrapper .section-title {
    text-align: left;
    margin-bottom: 0;
}

.section-title h2 {
    margin-bottom: 0;
}

.product-listing-wrapper .product-card-list {
    margin-top: 26px;
}

.product-listing-wrapper .product-card-list .product-card1 {
    background: #FFFFFF;
    border-radius: 15px;
    padding: 32px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-listing-wrapper .product-card-list .product-card1:not(:last-child) {
    margin-bottom: 20px;
}

.product-listing-wrapper .product-card-list .card-image-col {
    width: 242px;
    height: 242px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-listing-wrapper .product-card-list .card-image-col img {
    max-width: 100%;
    max-height: 100%;
}

.product-listing-wrapper .product-card-list .card-info-col {
    flex: 1;
    margin-left: 82px;
}

.product-listing-wrapper .product-card-list .card-info-col .product-code {
    font-weight: 400;
    font-size: 14px;
    color: #033766;
    line-height: 18px;
}

.product-listing-wrapper .product-card-list .card-info-col .product-name {
    font-weight: 600;
    font-size: 28px;
    color: #00244C;
    line-height: 1.3;
    margin-top: 10px;
    transition: all .3s;
}

.product-listing-wrapper .product-card-list .product-card1:hover .card-info-col .product-name {
    color: #F46C05;
}

.product-listing-wrapper .product-card-list .card-info-col .product-desc {
    font-family: MontserratLight;
    font-weight: 400;
    font-size: 14px;
    color: #7E8084;
    line-height: 24px;
    margin-top: 5px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-listing-wrapper .product-card-list .card-info-col .card-buttons {
    margin-top: 29px;
    display: flex;
    gap: 0 57px;
}

.product-listing-wrapper .product-card-list .card-info-col .card-buttons>a {
    display: inline-flex;
    font-weight: 400;
    font-size: 14px;
    color: #00244C;
    line-height: 24px;
    gap: 5px;
    transition: all .3s;
}

.product-listing-wrapper .product-card-list .card-info-col .card-buttons>a:hover {
    color: #F46C05;
}

.product-listing-wrapper .product-card-list .card-info-col .card-buttons>a .iconfont {
    font-weight: bold;
}

.product-listing-wrapper .pagination {
    margin-top: 44px;
}

.product-listing-wrapper .faq-container {
    margin-top: 67px;
}

.cta-banner-section {
    margin-top: 97px;
    border-radius: 20px;
    background: url(../img/product-5.jpg);
    background-size: cover;
    padding: 100px 50px;

}

.cta-banner-section .cta-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cta-banner-section .cta-content .text-box {
    flex: 1;
    margin-right: 40px;
}

.cta-banner-section .cta-content .text-box .cta-heading {
    font-weight: 400;
    color: #FFFFFF;
    line-height: 1.33;
}

.cta-banner-section .cta-content .text-box .cta-subheading {
    font-weight: 400;
    font-size: 15px;
    color: #FFFFFF;
    line-height: 24px;
    margin-top: 10px;

}

.cta-banner-section .cta-content .cta-btn {
    padding: 0 23px;
    background: rgba(195, 13, 35, 0);
    border-radius: 25px;
    border: 2px solid #F9FBFD;
    line-height: 46px;
    display: flex;
    align-items: center;
    font-size: 15px;
    color: #FFFFFF;
    gap: 12px;
    transition: all .3s;
}

.cta-banner-section .cta-content .cta-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.cta-banner-section .cta-content .cta-btn .iconfont {
    font-size: 18px;
}

.product-details-page {
    background-color: RGBA(245, 247, 251, 1);
}

.product-hero-section {
    margin-top: 80px;
}

.hero-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.hero-container .product-gallery-col {
    width: 46.5%;
    background: #FFFFFF;
    border-radius: 10px;
    padding-bottom: 37px;
}

.hero-container .product-info-col {
    width: 44.57%;
    padding-top: 25px;
}

.product-gallery-col .main-image-wrap {
    height: 322px;
    padding: 30px 0;
}

.product-gallery-col .main-image-wrap .swiper {
    height: 100%;
}

.product-gallery-col .thumbnail-list .swiper-slide,
.product-gallery-col .main-image-wrap .swiper-slide {
    display: flex;
    align-items: center;
}

.product-gallery-col .thumbnail-list .swiper-slide img,
.product-gallery-col .main-image-wrap .swiper-slide img {
    max-width: 100%;
    max-height: 100%;
}

.product-gallery-col .thumbnail-list {
    position: relative;
    width: 360px;
    margin: 0 auto;
    padding: 0 30px;
    max-width: 100%;
}

.product-gallery-col .thumbnail-list .swiper {
    width: 100%;
}

.product-gallery-col .thumbnail-list .swiper-slide {
    width: 51px;
    height: 51px;
    background: #FFFFFF;
    border-radius: 10px;
    border: 1px solid rgba(221, 226, 236, 0.7);
    cursor: pointer;
    transition: all .6s;
}

.product-gallery-col .thumbnail-list .swiper-slide.swiper-slide-thumb-active {
    border-color: rgba(238, 111, 16, 0.70);
}

.product-gallery-col .thumbnail-list .btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
}

.product-gallery-col .thumbnail-list .btn-prev {
    left: 0;
}

.product-gallery-col .thumbnail-list .btn-next {
    right: 0;
}

.product-gallery-col .thumbnail-list .btn:not(.swiper-button-disabled):hover {
    color: var(--accent-color);
}

.product-gallery-col .thumbnail-list .btn.swiper-button-disabled {
    opacity: .5;
    cursor: not-allowed;
}

.hero-container {
    padding-bottom: 132px;
}

.hero-container .product-info-col .product-title {
    font-weight: 600;
    font-size: 44px;
    color: #00244C;
    line-height: 1.3;
}

.hero-container .product-info-col .product-desc {
    font-family: MontserratLight;
    font-weight: 400;
    font-size: 14px;
    color: #7E8084;
    line-height: 24px;
    margin-top: 15px;
}

.hero-container .product-info-col .product-specs-grid {
    border-top: 1px solid rgba(226, 233, 240, 1);
    border-bottom: 1px solid rgba(226, 233, 240, 1);
    margin-top: 27px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 16px 0;
}

.hero-container .product-info-col .product-specs-grid .spec-item {
    display: flex;
    align-items: center;
}

.hero-container .product-info-col .product-specs-grid .iconfont {
    color: rgba(0, 36, 76, 1);
    font-size: 20px;
}

.hero-container .product-info-col .product-specs-grid .spec-text {
    font-weight: 400;
    font-size: 14px;
    color: #6A6C70;
    line-height: 26px;
    flex: 1;
    margin-left: 12px;
}

.hero-container .product-info-col .btn-contact-us {
    display: inline-flex;
    align-items: center;
    padding: 0 20px;
    height: 42px;
    background: rgba(238, 111, 16, 0);
    border-radius: 23px;
    border: 2px solid #00244C;
    font-weight: 400;
    font-size: 14px;
    color: #00244C;
    line-height: 30px;
    gap: 0 40px;
    margin-top: 44px;
}

.hero-container .product-info-col .btn-contact-us:hover {
    background: var(--primary-color);
    color: #fff;
}

.hero-container .product-info-col .btn-contact-us .iconfont {
    font-size: 20px;
}

.content-tabs-bar {
    position: sticky;
    padding: 20px 0;
    background-color: #fff;
    overflow: hidden;
    top: 90px;
    z-index: 99;
}

.content-tabs-bar .tabs-list {
    display: flex;
    gap: 0 60px;
}

.content-tabs-bar .tab-item {
    display: flex;
    align-items: center;
    font-weight: 400;
    font-size: 14px;
    color: rgba(59, 62, 64, 1);
    line-height: 30px;
    gap: 13px;
    cursor: pointer;
}

.content-tabs-bar .tab-item:hover,
.content-tabs-bar .tab-item.active {
    color: #00244C;
}

.content-tabs-bar .tab-item:hover img,
.content-tabs-bar .tab-item.active img {
    filter: drop-shadow(0 1000px 0 rgba(0, 36, 76, 1));
    transform: translateY(-1000px);
}

.section-block {
    padding-top: 74px;
    background: #fff;
}

.section-block .section-heading {
    margin-bottom: 1.2em;
    color: #00244C;
    line-height: 1;
}

.features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 23px;
}

.features-section .features-grid .feature-card {
    background: #F5F7FB;
    border-radius: 10px;
    border: 1px solid #F1F4F6;
    padding: 40px 35px 50px;
    text-align: center;
}

.features-section .features-grid .feature-number {
    color: #00244C;
    line-height: 1;
    opacity: 0.2;
    transition: all .3s;
}

.features-section .features-grid .feature-card:hover .feature-number {
    opacity: 1;
}

.features-section .features-grid .feature-title {
    font-size: 16px;
    color: #00244C;
    line-height: 22px;
    margin-top: 9px;
}

.features-section .features-grid .feature-desc {
    font-weight: 300;
    font-size: 14px;
    color: #6C6F73;
    line-height: 22px;
    margin-top: 10px;
}

.application-section .application-content-box {
    background: url(../img/product-details-2.jpg);
    background-size: cover;
    padding: 82px 63px;
    border-radius: 10px;
}

.application-section .application-content-box .app-list {
    width: 802px;
    max-width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px 30px;
    font-family: MontserratLight;
    font-weight: 400;
    font-size: 16px;
    color: RGBA(108, 111, 115, 1);
    line-height: 24px;
    list-style: disc;
}

.application-section .application-content-box .app-list li::marker {
    color: #E67E22;
    font-size: 1.5em;
}

.table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.properties-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.properties-table .table-head th {
    background-color: rgba(0, 36, 76, 1);
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    padding: 7px 43px;
    line-height: 30px;
    letter-spacing: 0.5px;
}

/* 表头中间的白色分割线 */
.properties-table .table-head th:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

/* 4. 单元格样式 (Td) */
.properties-table .table-body td {
    padding: 7px 43px;
font-family: MontserratLight;
font-weight: 400;
font-size: 14px;
color: #6C6F73;
line-height: 30px;
    vertical-align: middle;
    border-bottom: 1px solid rgba(241, 244, 246, 1);
}
.properties-table .table-body tr td:first-child {
    background-color: rgba(245, 247, 251, 1);
    /* 极浅的蓝灰色 */
}
.properties-table .label-cell {
    color: #888888;
    width: 35%;
    font-weight: 400;
}
.related-products-section{
    padding-bottom: 110px;
}
@media (max-width: 768px) {

    .properties-table .table-head th,
    .properties-table .table-body td {
        padding: 10px 20px;
    }
    .properties-table .table-head th,
    .properties-table .table-body td{
        line-height: 24px;
    }
    .properties-table .table-head th{
        font-size: 16px;
    }
    .properties-table .label-cell {
        width: 40%;
    }
}
@media (max-width:1440px) {
    .hero-container .product-info-col .product-title{
        font-size: 36px;
    }
    .product-listing-wrapper .product-card-list .card-info-col,
    .product-listing-wrapper{
        margin-left: 40px;
    }
    .product-listing-wrapper .product-card-list .product-card1{
        padding: 30px;
    }
    .hero-container .product-info-col{
        width: 50%;
    }
}
@media (max-width:1280px) {
    .hero-container .product-info-col .product-title{
        font-size: 30px;
    }
    .product-listing-wrapper .product-card-list .card-info-col .product-name{
        font-size: 22px;
    }
}
@media (max-width:1199px) {
    .hero-container .product-info-col .product-title{
        font-size: 26px;
    }
    .content-tabs-bar{
        top: 70px;
    }
    .product-wrap{
        padding: 90px 0;
    }
    .cta-banner-section{
        margin-top: 90px;
    }
     .product-listing-wrapper{
        margin-left: 0;
        margin-top: 45px;
    }
    .product-content .content1400{
        flex-direction: column;
    }
    .product-sidebar{
        position: relative;
        top: 0;
        width: 100%;
    }
   .cta-banner-section .cta-content{
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
   }
   .cta-banner-section .cta-content .text-box{
    margin-right: 0;
   }
   .cta-banner-section{
    padding: 90px 40px;
   }
   .related-products-section,
   .hero-container{
    padding-bottom: 90px;
   }
   .features-section .features-grid .feature-card{
    padding: 40px 30px;
   }
}
@media (max-width:1024px) {
    .content-tabs-bar .tabs-list{
        justify-content: space-between;
        gap: 0 20px;
    }
    .hero-container .product-info-col .product-title{
        font-size: 24px;
    }
    .related-products-section,
   .hero-container{
    padding-bottom: 80px;
   }
    .product-hero-section{
        margin-top: 60px;
    }
    .section-block{
        padding-top: 60px;
    }
    .cta-banner-section{
        padding: 80px 40px;
    }
    .product-wrap{
        padding: 80px 0;
    }
    .cta-banner-section{
        margin-top: 80px;
    }
    .product-listing-wrapper .pagination,
     .product-listing-wrapper{
        margin-top: 40px;
    }
    .hero-container{
        flex-direction: column;
    }
    .hero-container .product-gallery-col,
    .hero-container .product-info-col{
        width: 100%;
    }
    .features-section .features-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .application-section .application-content-box{
        padding: 30px 40px 30px 50px;
    }
    .application-section .application-content-box .app-list{
        gap: 19px 26px;
        grid-template-columns: repeat(1,1fr);
    }
}
@media (max-width:768px) {
    .features-section .features-grid .feature-card{
        padding: 30px 25px;
    }
    .content-tabs-bar{
        display: none;
    }
    .hero-container .product-info-col .product-desc{
        margin-top: 8px;
    }
    .hero-container .product-info-col .btn-contact-us{
        margin-top: 30px;
    }
    .hero-container .product-info-col .product-specs-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .hero-container .product-info-col .product-title{
        font-size: 22px;
    }
    .related-products-section,
   .hero-container{
    padding-bottom: 70px;
   }
    .product-hero-section{
        margin-top: 50px;
    }
    .section-block{
        padding-top: 50px;
    }
    .content-tabs-bar{
        top: 60px;
    }
    .cta-banner-section .cta-content .cta-btn{
        border-width: 1px;
    }
    .cta-banner-section{
        padding: 50px 30px;
    }
    .product-wrap{
        padding: 70px 0;
    }
    .cta-banner-section{
        margin-top: 70px;
    }
    .product-listing-wrapper .pagination,
     .product-listing-wrapper{
        margin-top: 30px;
    }
    .product-listing-wrapper .product-card-list .card-image-col{
        width: 160px;
        height: 160px;
    }
    .product-listing-wrapper .product-card-list .card-info-col .card-buttons{
        margin-top: 14px;
    }
    .product-listing-wrapper .product-card-list .card-info-col{
        margin-left: 20px;
    }
    .product-listing-wrapper .product-card-list .card-info-col .card-buttons{
        gap: 0 30px;
    }
    .product-listing-wrapper .product-card-list .card-info-col .product-name{
        font-size: 20px;
    }
    .product-listing-wrapper .faq-container{
        margin-top: 50px;
    }
}
@media (max-width:500px) {
    .properties-table .table-head th{
        font-size: 14px;
    }
    .properties-table .table-body td{
        font-size: 12px;
    }
    .application-section .application-content-box .app-list li::marker{
        font-size: 1em;
    }
    .application-section .application-content-box .app-list{
        gap: 8px;
    }
    .application-section .application-content-box{
        padding: 25px 30px 25px 44px;
    }
    .features-section .features-grid{
        grid-template-columns: repeat(1,1fr);
    }
    .related-products-section,
   .hero-container{
    padding-bottom: 60px;
   }
    .product-hero-section{
        margin-top: 30px;
    }
    .section-block{
        padding-top: 40px;
    }
    .cta-banner-section .cta-content{
        gap: 25px;
    }
    .cta-banner-section .cta-content .text-box .cta-subheading{
        margin-top: 5px;
    }
    .cta-banner-section{
        padding: 40px 25px;
    }
    .product-wrap{
        padding: 60px 0;
    }
    .product-listing-wrapper .faq-container{
        margin-top: 40px;
    }
    .cta-banner-section{
        margin-top: 60px;
    }
    .product-listing-wrapper .pagination,
     .product-listing-wrapper{
        margin-top: 25px;
    }
    .product-listing-wrapper .product-card-list .product-card1{
        padding: 20px 17px;
    }
    .product-listing-wrapper .product-card-list .card-info-col{
        margin-left: 16px;
    }
    .product-listing-wrapper .product-card-list .card-info-col .card-buttons{
        margin-top: 7px;
         gap: 0 20px;
    }
    .product-listing-wrapper .product-card-list .card-image-col{
        width: 120px;
        height: 120px;
    }
    .product-listing-wrapper .product-card-list .card-info-col .product-name{
        font-size: 18px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .product-listing-wrapper .product-card-list .card-info-col .card-buttons>a{
        font-size: 12px;
    }
    .product-listing-wrapper .product-card-list .card-info-col .card-buttons>a .iconfont{
        font-size: 14px;
    }
}